FUNTECK Steel Wire Brush Trimmer Head with Lawnmower Blade Adapter Attachment Kit for Trimming Around Brick Cement and Stone, Fits Most of Straight Shaft String Trimmer (6 inch). This worked pretty good. around the concrete foundation on my garage and the weeds that come up thru the cracks in the driveway. normally I go thru quite a bit of string doing the two jobs, but not anymore! #Viralix #funteck #Ben